EP 0157216 A1 19851009 - Magnetic apparatus.
Title (en)
Magnetic apparatus.
Title (de)
Magnetische Vorrichtung.
Title (fr)
Appareil magnétique.
Publication
Application
Priority
JP 4424484 A 19840308
Abstract (en)
[origin: US4701729A] Disclosed herein is a magnetic apparatus comprising: a magnetic circuit including magnetic yoke and a magnet, with a magnetic gap formed in the circuit for forming a uniform d.c. bias magnetic field in the magnetic gap; a magnetic device made of magnetic material of certain composition and placed in the magnetic gap so that the device operates in the d.c. bias magnetic field; and a soft magnetic plate provided in the magnetic gas, the soft magnetic plate being made of magnetic material having composition substantially identical to the composition of the magnetic device.
IPC 1-7
IPC 8 full level
H01P 1/30 (2006.01); H01F 7/02 (2006.01); H01P 1/218 (2006.01); H01P 1/32 (2006.01)
CPC (source: EP US)
H01F 7/02 (2013.01 - EP US); H01P 1/218 (2013.01 - EP US)
Citation (search report)
- [A] US 4020429 A 19770426 - BICKLEY ROBERT HENRY
- [A] US 3681716 A 19720801 - CHIRON BERNARD, et al
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
US 4701729 A 19871020; CA 1232039 A 19880126; DE 3580504 D1 19901220; EP 0157216 A1 19851009; EP 0157216 B1 19901114; JP H0518244 B2 19930311; JP S60189205 A 19850926
DOCDB simple family (application)
US 70885185 A 19850306; CA 475240 A 19850227; DE 3580504 T 19850307; EP 85102608 A 19850307; JP 4424484 A 19840308